Scheduling with time clock controls turns lights on and off, sets lighting levels for different times of day and changes the lighting profile for after-hours mode. More sophisticated systems also respond to signals sent from external control devices such as sensors or switches.
Paraffin wax is a solid form of paraffin, a specific type of alkane hydrocarbon. It is used in a wide range of everyday applications, most notably in common candles. This wax also sees a great deal of use in industrial applications, and it is present in everything from the Lunar Rover to drywall.araffin wax is a solid form of paraffin, a specific type of alkane hydrocarbon. It is used in a wide range of everyday applications, most notably in common candles. This wax also sees a great deal of use in industrial applications, and it is present in everything from the Lunar Rover to drywall.
A paraffin pedicure is a spa treatment during which paraffin wax is applied to the feet in order to moisturize the skin on the feet.The paraffin is usually applied after the feet have been washed and buffed and after the toenails have been cleaned, cut, and filed into uniform shapes.ach spa has a variation on the technique used during a paraffin pedicure. It is most common, however, to have the feet dipped into the tub of wax two to three times, then wrapped in a plastic bag or sheet of plastic.